agenttesla | 5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb

General

Target

RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js
Size

466KB
MD5

83ef3f626544cef2f0962863ab109634
SHA1

48d5a062ea59ea06afc5334a43f2537390660538
SHA256

5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb
SHA512

d9f127a33cb2a42b610e3f0e7ad057233e9491a37fc8342f92b216e6f1a3a470e26487bab74cb40209d5c084429db78152ed7266aaa1b56633aa0c6239c591e9

Score

10^/10

agenttesla wshrat keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.zolvtek.com/
Port:
21
Username:
[email protected]
Password:
bird0006

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

WSHRAT Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js	family_wshrat
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js	family_wshrat

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\234.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\234.exe	family_agenttesla

Blocklisted process makes network request 7 IoCs

Processes:

wscript.exe

flow pid process

5 3656 wscript.exe
7 3656 wscript.exe
14 3656 wscript.exe
15 3656 wscript.exe
17 3656 wscript.exe
18 3656 wscript.exe
19 3656 wscript.exe
Executes dropped EXE 1 IoCs

Processes:

234.exe

pid process

3000 234.exe

flow	pid	process
5	3656	wscript.exe
7	3656	wscript.exe
14	3656	wscript.exe
15	3656	wscript.exe
17	3656	wscript.exe
18	3656	wscript.exe
19	3656	wscript.exe

pid	process
3000	234.exe

Drops startup file 2 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js	wscript.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 9 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe234.exewscript.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\File Transfer Protocol = "C:\\Users\\Admin\\AppData\\Roaming\\File Transfer Protocol\\File Transfer Protocol.exe"	234.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\software\microsoft\windows\currentversion\run	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js\""	wscript.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

234.exe

pid process

3000 234.exe
3000 234.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

234.exe

description pid process

Token: SeDebugPrivilege 3000 234.exe

flow	ioc
4	ip-api.com

pid	process
3000	234.exe
3000	234.exe

description	pid	process
Token: SeDebugPrivilege	3000	234.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wscript.exewscript.exe

description	pid	process	target process
PID 1048 wrote to memory of 3656	1048	wscript.exe	wscript.exe
PID 1048 wrote to memory of 3656	1048	wscript.exe	wscript.exe
PID 3656 wrote to memory of 3000	3656	wscript.exe	234.exe
PID 3656 wrote to memory of 3000	3656	wscript.exe	234.exe
PID 3656 wrote to memory of 3000	3656	wscript.exe	234.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Users\Admin\AppData\Roaming\234.exe
    "C:\Users\Admin\AppData\Roaming\234.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\234.exe

MD5
a106c2c204a3293e9779659f97626c55

SHA1
089369226c1cc2280423238cb9a812a7c07616aa

SHA256
7f6602b33eca9d5a407517f106bba38581c8265ff62d65cf29532754f855bdfa

SHA512
5c53704a03b089909479b630bca7ed191442dfd26acb39b9089d7f0046098000d1ecb2f50bd36477b6244cfc2016ba34d96c69741e51ab12ffa1c51728cb8252

Download Submit
C:\Users\Admin\AppData\Roaming\234.exe

MD5
a106c2c204a3293e9779659f97626c55

SHA1
089369226c1cc2280423238cb9a812a7c07616aa

SHA256
7f6602b33eca9d5a407517f106bba38581c8265ff62d65cf29532754f855bdfa

SHA512
5c53704a03b089909479b630bca7ed191442dfd26acb39b9089d7f0046098000d1ecb2f50bd36477b6244cfc2016ba34d96c69741e51ab12ffa1c51728cb8252

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js

MD5
83ef3f626544cef2f0962863ab109634

SHA1
48d5a062ea59ea06afc5334a43f2537390660538

SHA256
5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb

SHA512
d9f127a33cb2a42b610e3f0e7ad057233e9491a37fc8342f92b216e6f1a3a470e26487bab74cb40209d5c084429db78152ed7266aaa1b56633aa0c6239c591e9

Download Submit
C:\Users\Admin\AppData\Roaming\RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js

MD5
83ef3f626544cef2f0962863ab109634

SHA1
48d5a062ea59ea06afc5334a43f2537390660538

SHA256
5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb

SHA512
d9f127a33cb2a42b610e3f0e7ad057233e9491a37fc8342f92b216e6f1a3a470e26487bab74cb40209d5c084429db78152ed7266aaa1b56633aa0c6239c591e9

Download Submit
memory/3000-5-0x0000000000000000-mapping.dmp

Download
memory/3000-8-0x0000000003130000-0x0000000003131000-memory.dmp

Filesize
4KB

Download
memory/3000-9-0x0000000003131000-0x0000000003132000-memory.dmp

Filesize
4KB

Download
memory/3000-10-0x0000000003132000-0x0000000003133000-memory.dmp

Filesize
4KB

Download
memory/3656-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads